@conference{sala2009active, title = {Active Control Based on an Estimator for the Bus-Pumping Cancellation in the Half-Bridge Class-D Audio Power Amplifiers}, author = {Sala, Vicent and Romeral, Luis}, booktitle = {Audio Engineering Society Convention 127}, month = {Oct}, year = {2009}, url = {https://www.aes.org/e-lib/browse.cfm?elib=15033} }